Home / 18,163.64-27,248.70-7,076.36

Finding the Fourth Proportional to 18,163.64, 27,248.70 and 7,076.36

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Solution

The fourth proportional to 18,163.64, 27,248.70 and 7,076.36 is: 10,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.64 : 27,248.70 = 7,076.36 : x
  2. Step 2: Convert to fraction form
    18,163.64/27,248.70 = 7,076.36/x
  3. Step 3: Cross multiply
    18,163.64x = 27,248.70 × 7,076.36
  4. Step 4: Simplify right side
    18,163.64x = 192,821,610.73
  5. Step 5: Solve for x
    x = 192,821,610.73/18,163.64
  6. Step 6: Final answer
    x = 10,615.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.